The National Aeronautics and Space Administration (NASA) is seeking sources for the Evolving Launch Vehicle Integrated Support 4 (ELVIS 4) contract, which will provide engineering services at the Kennedy Space Center in Florida. This procurement aims to support the development and integration of launch vehicle systems, ensuring the successful execution of NASA's space missions. The services are critical for maintaining and enhancing the capabilities of launch vehicles, which play a vital role in advancing space exploration and technology. Interested parties should reach out to Kristina Hopf at ksc-elvis4@mail.nasa.gov for further information regarding this sources sought notice.